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an interface joined a specific multicast group.
ok phessler@, visa@, dlg@
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ok mikeb@, bluhm@
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for failed route lookups. This is something that was maybe useful in the
90is but in this modern times it is just annoying and nothing expect it
anyway. OK mpi@, sthen@
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While here fix a NULL dereference introduced by the support for
multiple rdomains. It seems that this code path is never run...
With input from David Hill, ok florian@
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descriptor.
Allow to get rid of two if_ref() in the output paths.
ok dlg@
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Found by LLVM/Clang Static Analyzer.
ok bluhm@ mpi@
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IP options or if an IPv6 packet contains header extensions.
Required by cnmac(4) and a sensible precautionary measure in general.
ok visa@, mikeb@
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a single value
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ABI form for the sake of existing programs. no programs from that era have
been able to run for quite some time. Kill it all.
ok deraadt florian millert mpi
(I believe this is my first IPv6 diff. Future, here I come!)
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die and ifp->if_mtu is the one true mtu.
Suggested by and OK mpi@
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a bad idea these days.
kill it mpi@
general agreement in the network hackers room at u2k15
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ok claudio@
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While here add two missing ``rtableid'' checks in in6_selectsrc().
ok bluhm@
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specific places.
ok claudio@, benno@
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lookup to ensure pf_test() is called with the same interface in the
input annd output path for local traffic.
Fix a regression reported by Heiko Zimmermann on bugs@, thanks!
ok mikeb@, claudio@
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Use instead the RTF_LOCAL flag to loop local traffic back to the
corresponding protocol queue.
With this change rt_ifp is now always the same as rt_ifa->ifa_ifp.
ok claudio@
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the protocol queues.
It basically does what looutput() was doing but having a generic
function will allow us to get rid of the loopback hack overwwritting
the rt_ifp field of RTF_LOCAL routes.
ok mikeb@, dlg@, claudio@
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all the cleanup by mpi@ since we no longer overwrite ifps, etc. OK dlg@
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The returned "struct rtentry" is either the cached one or the one passed
in options.
ok claudio@
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ok claudio@
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ok claudio@
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ifpp - XXX: just for statistics
ifpp is always NULL in all callers so that statistic confirms ifpp is
dying
OK mpi@
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ok dlg@, claudio@
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Found while comparing IPv4 and IPv6 versions.
ok naddy@
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Reported by jsg@, ok deraadt@
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This pseudo-option is a hack to support return-rst on bridge(4). It
passes Ethernet information via a "struct route" through ip_output().
"struct route" is slowly dying...
ok claudio@, benno@
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ok stsp mpi
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compatibility with 4.3BSD in September 1989.
*Pick your own definition for "temporary".
ok bluhm@, claudio@, dlg@
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receiving interface in the packet header of every mbuf.
The interface pointer should now be retrieved when necessary with
if_get(). If a NULL pointer is returned by if_get(), the interface
has probably been destroy/removed and the mbuf should be freed.
Such mechanism will simplify garbage collection of mbufs and limit
problems with dangling ifp pointers.
Tested by jmatthew@ and krw@, discussed with many.
ok mikeb@, bluhm@, dlg@
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ok krw@ miod@
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No objection from reyk@, OK markus, hshoexer
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ok mikeb
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have any direct symbols used. Tested for indirect use by compiling
amd64/i386/sparc64 kernels.
ok tedu@ deraadt@
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because clearing fields twice is not a problem.
Yeah, I suck at applying diff.
ok henning@, claudio@
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Packets destinated to link-local addresses are looped back with embedded
scopes because we cannot restore them using the receiving interface (lo0).
Embedded scopes are needed by the routing table to match RTF_LOCAL routes,
but pf(4) never saw them and existing rules are likely to break without
teaching the rule engine about them, found by dlg@ the hard way.
So save and restore embedded scopes around pf_test() for packets going
through loopback.
ok dlg@, mikeb@
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Prodded by claudio@ and mikeb@
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Output interface (port) selection for multicast traffic is not done via
route lookups. Instead the output ifp is registred when setsockopt(2)
is called with the IP{V6,}_MULTICAST_IF option. But since there is no
mechanism to invalidate such pointer stored in a pcb when an interface
is destroyed/removed, it might lead your kernel to fault.
Prevent a fault upon resume reported by frantisek holop, thanks!
ok mikeb@, claudio@
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ok mikeb@, krw@, bluhm@, tedu@
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- Unicast packets sent to any local address will have their interface
set to loobpack.
- In order to differentiate traffic from interfaces having identical
link-local addresses, provide the scoped addresses to pf(4).
- Update the icmp6 state lookup logic to match scoped MLL addresses.
- Remove a shortcut in ip6_input() that bypasses pf and always look
for an RTF_LOCAL route.
Packets sent to multicast addresses still retain their original
interface due to the fact that local multicast packet delivering
does not use if_output.
This makes ping6 to link-local addresses work even with pf enabled
and "set skip" on loopbacks, reported by Pieter Verberne.
Debugged, analysed and tested with mikeb@.
ok mikeb@, henning@, sthen@
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functionnality instead of a mix of enable/disable.
ok bluhm@, jca@
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kill the macro.
ok mikeb@, henning@
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rely on "struct route" that should die.
ok claudio@
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after discussions with beck deraadt kettenis.
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ok gcc & md5 (alas, no binary change)
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ok henning@
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